Valid H12-821_V1.0 Test Answers & Huawei H12-821_V1.0 Exam PDF
Huawei H12-821_V1.0 Certification Real 2023 Mock Exam
Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) Exam is a professional certification test designed to assess individuals' knowledge and skills in the field of data communication core technology. H12-821_V1.0 exam is part of the Huawei Certified ICT Professional (HCIP) certification program, which is aimed at helping IT professionals enhance their technical expertise and advance their careers.
NEW QUESTION # 35
RSTP provides different functions in different scenarios. Which of the following statements Is false?
- A. The role of the designated port that is enabled with root protection cannot be changed
- B. When the designated port enabled with root protection receives optimal RST BPDUs, the port enters the Discarding state and does not forward packets. If the port does not receive optimal RST BPDUs within a certain period of time, the port will automatically restore to the Forwarding state
- C. After TC-BPDU attack defense function is enabled, you can set the number of times the switch processes TC BPDUs within a certain period
- D. If the edge port on the switch enabled with BPDU protection receives RST BPDU, the switch sets the edge port as a non-edge-port and triggers STP calculation
Answer: D
NEW QUESTION # 36
Preferences of routing protocols determine the sequence In which a router selects a route among routes to the same destination /earned through different routing protocols.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 37
After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?
- A. The cost of an IS-IS interface is changed.
- B. The IP address of an ISIS interface is changed.
- C. The level of an ISIS interface is changed.
- D. The interval at which an IS-IS interface sends IIH packets is changed.
Answer: C
NEW QUESTION # 38
In a route-policy, which of the following BGP attributes can be used in apply clauses?
- A. MED
- B. Tag
- C. Local-Preference
- D. AS_Path
Answer: A,C,D
NEW QUESTION # 39
When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?
- A. 1.1.1.1/26
- B. 1.1.1.1/32
- C. 1.1.1.1/24
- D. 1.1.1.2/16
Answer: C
NEW QUESTION # 40
Which of the following statements regarding the summary automatic command and BGP route summarization is false?
- A. After this command is configured, BGP sends only the summarized routes to peers
- B. This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization
- C. This command enables automatic summarization for the locally imported routes
- D. After this command is configured, BGP summarizes routes based on natural network segments
Answer: D
NEW QUESTION # 41
A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)
Answer:
Explanation:
security policy
NEW QUESTION # 42
Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.
- A. 0
- B. 1
- C. 3.3
- D. 2
Answer: B
NEW QUESTION # 43
The Interface \P address and VRRP virtual IP address can be the same.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 44
Regarding the route-policy set-cost configuration below, which of the following statements is true?
- A. The route 11.1.0.0/16 will continue to match node 20 after permitted by node 10, and (he final cost is set to 200.
- B. All the routes that are not permitted by node 10 will be denied.
- C. The cost of all routes is set to 200.
- D. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.
Answer: D
NEW QUESTION # 45
Which of the following statements regarding the LSA age field are true?
- A. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.
- B. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
- C. The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
- D. The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
Answer: C
NEW QUESTION # 46
Which of the following statements regarding IGMPv1 and IGMPv2 are true?
- A. IGMPv1 supports general query.
- B. IGMPv1 does not define the IGMP Leave message type.
- C. 1GMPv2 supports only general query.
- D. 1GMPv2 defines the Leave message type.
Answer: A
NEW QUESTION # 47
A monitoring plane usually comprises the monitoring units of main control boards and interface boards. This plane can monitor the system environment independently. Which of the following environment monitoring functions can be provided by the monitoring plane?
- A. Voltage monitoring
- B. System power-on and power-off control
- C. Fan control
- D. Temperature monitoring
Answer: D
NEW QUESTION # 48
BFD control packets are encapsulated in UDP packets for transmission. What is the destination port number of multi-hop BFD control packets?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 49
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 50
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